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3. Bylina, A. S.: Quoted from Tonkich, A. : Zur Physiologie des Pankreas.Arch. f.d. ges. Physiol, 206:528, 1924.
4. Inlow, W. D.: A Technique for the Establishment of a Permanent Pancreatic Fistula with Secretion of Inactive Proteolytic Ferment.J. Lab. and Clin. Med., 7:86, 1921.
5. Ivy, A. C. and Farrell, J. I.: Contributions to the Physiology of the Pancreas. II. The Proof of a Humoral Mechanism for the External Pancreatic Secretion.Am. J. Physiol., 78:325, 1926.